package Demo4;

public class Demo4 {
    public static void main(String[] args) throws InterruptedException {
        Thread t = new Thread(() -> {
           while(true) {
               System.out.println("hello thread");
               try {
                   Thread.sleep(1000);
               } catch (InterruptedException e) {
                   throw new RuntimeException(e);
               }
           }
        });

        t.start();
        t.join(5000);
        while(true) {
            System.out.println("hello main");
            Thread.sleep(1000);
        }
    }
}
